drip and return

anthony_2

In my steam system, I have a dry return that runs midway along the wall in my basement. Once it gets into the boiler room, it drops to the floor and runs around a built in wall closet and into the boiler. The drips from the upper floors seem to tie into the return at the floor. I seem to have some water hammering from the riser the riser of the same drip I mentioned above. It usually happens at the end of the cycle when the boiler turns off and the system is cooling down. I have flushed the returns till steam comes out (does that mean they are completely clear?) thinking that might be the problem but I still seam to have the clanking. Help would be appreciated, I am a do it yourselfer who can pretty much tackle anything with some research. Thanks in advance for any response.

Anthony

Steamhead

That dry return

was probably a wet return with the original boiler. I'll bet you have steam hitting water in that horizontal pipe, which would cause banging.

The solution is to lower the pipe so it is below the boiler's water line.

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